this whole thing, very near and dear to the heart of both michelle obama and dr. jill biden is military families, not just honoring men and women in uniform, but honoring the spouses and children. and tonight it's about the kids. i just talked to a mother whose husband is about to deploy for time number five. talked to her, talked to her little-year-o 8-year-old. watch. okay, mj. big concert tonight. who are you most excited to see? >> katy perry. >> reporter: and why is that? >> because i know a lot of her songs. like, "i'm wide awake." >> reporter: and this is your first concert tonight, right? >> yes. >> so mom, it's his first concert for your two kids. >> yes. >> you guys live in alexandra, virginia. your husband is about to deploy for the whatth time? >> fifth time. >> where is he headed? >> to bahrain this time. >> the fact that this concert is put on by the first lady and by dr. biden, and for you, little man, and for all the military families, how does that feel? >> it's really nice. because this is for our family personally, one of the last things we'll d